55802232 has 96 divisors (see below), whose sum is σ = 162938880. Its totient is φ = 17202240.

The previous prime is 55802213. The next prime is 55802233. The reversal of 55802232 is 23220855.

It is a super-2 number, since 2×55802232² = 6227778192363648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55802196 and 55802205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55802233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50793 + ... + 51879.

It is an arithmetic number, because the mean of its divisors is an integer number (1697280).

Almost surely, 2^55802232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55802232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81469440).

55802232 is an abundant number, since it is smaller than the sum of its proper divisors (107136648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55802232 is a wasteful number, since it uses less digits than its factorization.

55802232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 55802232 is about 7470.0891560945. The cubic root of 55802232 is about 382.1353284585.

The spelling of 55802232 in words is "fifty-five million, eight hundred two thousand, two hundred thirty-two".